The Diagnostis Method of Control Valve Stiction

Qun Li Shang; Zheng Ding

doi:10.4028/www.scientific.net/AMM.389.501

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 389The Diagnostis Method of Control Valve Stiction

The Diagnostis Method of Control Valve Stiction

Abstract:

Valve stiction is one of the main reasons which lead to control loop oscillation.However, there is not a mature method to diagnose the stiction.Under the premise of unknown the control system model,this paper put forward a new method based on the process output signal processing to realize control valve stiction of fault diagnosis.The results of the experiment and simulation to show that the method is effective.

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Periodical:

Applied Mechanics and Materials (Volume 389)

Pages:

501-506

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.389.501

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Online since:

August 2013

Authors:

Qun Li Shang, Zheng Ding

Keywords:

Control Valve, Fault Diagnosis, Stiction

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